CN103114658A - Ball-shaped cabin tuning type particle camper - Google Patents
Ball-shaped cabin tuning type particle camper Download PDFInfo
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- CN103114658A CN103114658A CN2013100455021A CN201310045502A CN103114658A CN 103114658 A CN103114658 A CN 103114658A CN 2013100455021 A CN2013100455021 A CN 2013100455021A CN 201310045502 A CN201310045502 A CN 201310045502A CN 103114658 A CN103114658 A CN 103114658A
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Abstract
The invention provides a particle camper which is connected with a main body structure through a connecting rod piece, is capable of vibrating or swinging along a structural vibration direction and possesses functions of multi-direction mass tuning and friction collision energy-consumption. The ball-shaped cabin tuning type particle camper comprises a damper ball-shaped cabin, a damping particle swarm, a vertical connecting rod piece and a horizontal connecting rod piece and is characterized in that the damping particle swarm is evenly arranged in the damper ball-shaped cabin in a single-layer mode, two ends of the vertical connecting rod piece are respectively connected with the horizontal connecting rod piece and a structural element, and the damper ball-shaped cabin is connected with the horizontal connecting rod piece by welding, through bolts or through steel wire rope knotting. Under the action of wind or/and an earthquake, the damper is capable of vibrating or swinging along the structural vibration direction and tuning structure frequency, and meanwhile the damping particle swarm is capable of oscillating a vertical earthquake response of the tuning structure nearby an equilibrium position along the wall of the damper ball-shaped cabin, is capable of consuming kinetic energy of a main structure through friction and collision between damping particles and between the damping particle and a damper cavity and protects safety of the main structure.
Description
Technical field
The present invention relates to a kind ofly be connected with agent structure by connecting rod, can or swing along the vibration of structural vibration direction, the granule damper with multidirectional mass tuning and frictional impact power consumption function belongs to Construction Anti-earthquake and damping and wind resistance technical field.
Background technology
The tuned mass damper that develops rapidly in recent years (TMD) or Tuned Liquid (TLD) vibration damping control technology are in widespread attention with characteristics such as it are little to the original structure change, construction is simple, damping effect is remarkable.Tuning system is inertia mass to be set or at the inner flowing liquid that adds of accessory structure in structural vibration larger position, and the damping control system of moving displacement or the moving acceleration of structure being controlled by spring system and additional damping system.The basic principle of tuned mass damper or Tuned Liquid be utilize that subsystem absorbs, the vibrational energy of dissipation agent structure and agent structure vibration reaction is reduced.
The tuning quality vibration insulating system that belongs to passive control device has the following disadvantages at present: at first, the tuning quality system need arrange expensive damper, is unfavorable for extensive utilization.Secondly, need carry out reinforcing design to structure or member thereby the tuning quality system generally can cause structure partial position internal force to enlarge markedly, and then increased difficulty of construction and operating expenses.In addition, tuning quality system tunning frequency band is narrow, often only provides the additional damping of a part to agent structure, controls poor effect for structure away from the domain oscillation of tuning system.Therefore develop that structural form is simple, cheap, tuning quality granule damper that distributed damping is provided has great engineering significance.
Summary of the invention
Narrow in order to solve the tuning frequency band of traditional tuned mass damper, energy-consumption damper is set expensive, the installation site is dumb, only offer the additional damping of structure partial, and the excessive problem of the local stress that may cause structure, the present invention proposes and a kind ofly be connected with agent structure by connecting rod, can or swing the granule damper with multidirectional mass tuning and frictional impact power consumption function along the vibration of structural vibration direction.This damper structure is simple, takes up room little, and position is flexible, for structure provides distributed damping.Or/and under geological process, damper can be respectively along agent structure two direction of vibration vibrations by connector at wind, when external drive hour, relative motion does not occur with the ball-type cabin in damping particles, by the vibration of additional mass tuning structure direction of vibration; When external drive is larger, damping particles is not only by the vibration of additional mass tuning structure, simultaneously can be along near the damper ball-type bulkhead tuning structure vertical motion that vibrate equilbrium position, and pass through between damping particles, the frictional impact dissipation energy between damping particles and damper cavity.Reduced due to the damage that the uneconomical and agent structure that expensive damper causes is set, significantly reduced structural vibration and guaranteed structural safety.
To achieve these goals, the present invention has taked following technical scheme.
The tuning type granule damper in a kind of ball-type of the present invention cabin, comprise: damper ball-type cabin 1, damping particles group 2, vertical connecting rod 3 and level connection joint rod member 4, it is characterized in that, described damping particles group 2 individual layers are placed in damper ball-type cabin 1 equably, the two ends of vertical connecting rod 3 respectively with level connection joint rod member 4 by welding or bolt is connected, damper ball-type cabin 1 and level connection joint rod member 4 by weld, bolt is connected or wire rope connected.
The tuning type granule damper in described ball-type cabin, damping particles group 2 can be with damper ball-type cabin 1 by level connection joint rod member 4 with vertical connecting rod 3 suspentions or be supported under building structure partition wall, stringertype stairway plate, flooring mechanical floor, bean column node or bridge structure box beam, hollow pier, Sarasota position, along the vibration of structural vibration direction or swing.
The tuning type granule damper in described ball-type cabin, damping particles group 2 is with cabin 1 vibration of damper ball-type or swing the tuning structure frequency, and vibrate near the equilbrium position along damper ball-type cabin 1 wall, by friction, the collision dissipative structure vibrational energy between damping particles, between damping particles and damper cavity.
The tuning type granule damper in described ball-type cabin, the damping particles in described damping particles group 2 is spheric granules, comprises that diameter is steel ball, glass marble, concrete ball, shot, the ceramsite sand of 10mm～100mm.
The tuning type granule damper in described ball-type cabin, damper ball-type cabin 1 is ball-shaped or spheroid shape, spheroid shape cabin minor axis radius or ball-shaped cabin radius are 5 ~ 20 times of damping particles group 2 radiuses, spheroid shape cabin major axis radius is 1.1 ~ 3 times of minor axis radius, the wall thickness in damper ball-type cabin 1 is 1/10～1/3 of damping particles group 2 radiuses, 1 ~ 3 of damper ball-type cabin 1 number, each damper ball-type cabin 1 is evenly arranged with level connection joint rod member 4 by vertical connecting rod 3 along the damper short transverse, and the top ball-type bilge is 50mm ~ 500mm apart from ball-type cabin, bottom end face distance.
The tuning type granule damper in described ball-type cabin, damping particles group 2 individual layers are evenly arranged in damper ball-type cabin 1, and the damping particles group 2 in each damper ball-type cabin 1 should not occur stacking.
The tuning type granule damper in described ball-type cabin, vertical connecting rod 3 cross sections be the shaped steel of circular, rectangle or I shape, are connected level connection joint rod member 4 with material with same cross-sectional by welding or bolt and are connected, and vertically the anti-side rigidity of level of connecting rod 3 is 1 * 10
0KN/m ~ 1 * 10
4KN/m.
The tuning type granule damper in described ball-type cabin, described vertical connecting rod 3 connect by welding, hinged or bolt and are connected with the structure built-in fitting.
The present invention adopts vertical connecting rod that the built-in fitting that arranges in building structure or bridge construction is fixedly connected with the level connection joint rod member, and with damper ball-type cabin weld with the level connection joint rod member, bolt is connected or wire rope sockets, make it to become have certain mass, the minor structure of certain natural frequency.At wind or/and under geological process, damper can be with vertical connecting rod along the vibration of structural vibration direction or the vibration of swing tuning structure, the damping particles group can be vibrated near the equilbrium position along damper ball-type bulkhead, by the friction between damping particles, between damping particles and damper cavity, collision dissipation energy, and as providing the distribution additional damping to suppress structural vibration, structure guarantees structural safety take the arrangement of flexible dispersion.
Compared with prior art, advantage of the present invention is as follows:
1) the present invention can be respectively along two direction of vibration vibrations of agent structure or swing, when external drive hour, relative motion does not occur with damper ball-type cabin in the damping particles group, can be by the vibration of additional mass tuning structure; When external drive is larger, the damping particles group is not only by the vibration of additional mass tuning structure, can vibrate near the equilbrium position along damper ball-type bulkhead simultaneously and reduce the vertical seismic response of structure, and by the friction between the damping particles group, between damping particles group and damper cavity, collide the dissipative structure energy.
2) the present invention is the ball-type cabin with the square type cabin expansion of conventional particles damper, adopt simultaneously and more disperse many ball-types cabin system flexibly, not only possessing the conventional particles damper is convenient to install, but dispersed placement, lower-price characteristic guarantees that simultaneously vibration damping particles group and damper ball-type cabin can recover initial equilibrium conditions when stopping.
3) the present invention adopts being connected of vertical connecting rod and the realization of level connection joint rod member and agent structure and damper ball-type cabin, can be by the rigidity of the vertical connecting rod of appropriate design along both direction, thus realize that damper is to the optimum tunning effect of agent structure.Can adjust the effect ratio of damper mass tuning effect and friction, energy by collision effect by the connected mode of regulating ball-type cabin and level connection joint rod member, satisfy the vibration isolation needs of different controlled structures.
Description of drawings
Fig. 1 is a kind of ball-type of the present invention cabin tuning type granule damper elevational schematic view;
Fig. 2 is a kind of ball-type of the present invention cabin tuning type granule damper floor map;
Fig. 3 is a kind of ball-type of the present invention cabin tuning type granule damper elevational schematic view;
Fig. 4 is a kind of ball-type of the present invention cabin tuning type granule damper floor map;
In figure: 1---damper ball-type cabin, 2---the damping particles group, 3---vertical connecting rod, 4---the level connection joint rod member
The specific embodiment
Describe the specific embodiment of the present invention in detail below in conjunction with accompanying drawing.
Embodiment 1:
As depicted in figs. 1 and 2, be a kind of ball-type of the present invention cabin tuning type granule damper embodiment, it comprises that mainly single damper ball-type cabin 1, individual layer evenly are placed in damping particles group 2, vertical connecting rod 3, the level connection joint rod member 4 in the ball-type cabin and are embedded into built-in fitting in structural element.
Damper ball-type cabin 1 is spheroid shape, suppressed by grinding tool by the thick steel plate of 3mm ~ 5mm and form, ball-type cabin major axis radius is 100mm, minor axis radius is 50mm, damper ball-type cabin 1 is connected to connecting rod 4 with level by welding, and weld together by the built-in fitting in vertical connecting rod 3 and structural element, damper is supported in the case beam base plate position of building structure mechanical floor or bridge construction.Damping particles group 2 is the less steel ball of particle diameter 10mm friction factor, the particle additional mass is tried to achieve according to correlation theory by the lateral rigidity of structure fundamental frequency and vertical connecting rod 3, and damping particles group 2 centre of sphere lines take the central angle in ball-type cabin between-15 ° ~+15 °.Vertical connecting rod is I shape shaped steel, and lateral rigidity is 2 * 10
1KN/m.
Embodiment 2:
As shown in Figure 3, be a kind of ball-type of the present invention cabin tuning type granule damper embodiment, it mainly comprises a plurality of damper ball-types cabin 1, evenly is placed in damping particles group 2, vertical connecting rod 3, the level connection joint rod member 4 in the ball-type cabin and is embedded into built-in fitting in structural element with individual layer.
Damper forms damper ball-type cabin 1 by the thick steel plate of two independent 3mm ~ 10mm by the grinding tool precompressed and sockets by wire rope and level connection joint rod member, and weld together by the built-in fitting in vertical connecting rod 3 and structural element, damper is suspended to the top board position of building structure beam column node location or bridge, and ball-type cabin radius is 200mm.Damping particles group 2 individual layers are evenly arranged in two ball-type cabins, upper and lower ball-type cabin is evenly arranged along the damper short transverse, the top ball-type bilge is 100mm apart from ball-type cabin, bottom end face distance, the central angle that damping particles group 2 centre of sphere line takies the ball-type cabin is respectively between-15 ° ~+15 ° and-10 ° ~+10 °, and damping particles group's average grain diameter is 1/10 of ball-type cabin radius.The steel ball that damping particles material selection friction factor is less is so that starting of oscillation.Vertical connecting rod is I shape shaped steel, and lateral rigidity is 1 * 10
3KN/m.
Be more than two exemplary embodiments of the present invention, but enforcement of the present invention is not limited to this.
Claims (8)
1. tuning type granule damper in ball-type cabin, it comprises: damper ball-type cabin (1), damping particles group (2), vertical connecting rod (3) and level connection joint rod member (4), it is characterized in that, described damping particles group (2) individual layer is placed in damper ball-type cabin (1) equably, the two ends of vertical connecting rod (3) respectively with level connection joint rod member (4) by welding or bolt is connected, damper ball-type cabin (1) and level connection joint rod member (4) by weld, bolt is connected or wire rope connected.
2. the tuning type granule damper in ball-type cabin according to claim 1, it is characterized in that: damping particles group (2) can with damper ball-type cabin (1) suspend in midair by level connection joint rod member (4) and vertical connecting rod (3) or be supported under building structure partition wall, stringertype stairway plate, flooring mechanical floor, bean column node or bridge structure box beam, hollow pier, Sarasota position, along the vibration of structural vibration direction or swing.
3. the tuning type granule damper in ball-type cabin according to claim 1, it is characterized in that: damping particles group (2) is with damper ball-type cabin (1) vibration or swing the tuning structure frequency, and vibrate near the equilbrium position along damper ball-type cabin (1) wall, by the friction between damping particles, between damping particles and damper cavity, collision dissipative structure vibrational energy.
4. according to claim 1 or the tuning type granule damper in ball-type claimed in claim 3 cabin, it is characterized in that: the damping particles in described damping particles group (2) is spheric granules, comprises that diameter is steel ball, glass marble, concrete ball, shot, the ceramsite sand of 10mm ~ 100mm.
5. according to claim 1 or the tuning type granule damper of claim 3 or ball-type claimed in claim 4 cabin, it is characterized in that: damper ball-type cabin (1) is ball-shaped or spheroid shape, spheroid shape cabin minor axis radius or ball-shaped cabin radius are 5 ~ 20 times of damping particles group (2) radius, spheroid shape cabin major axis radius is 1.1 ~ 3 times of minor axis radius, the wall thickness in damper ball-type cabin (1) is 1/10 ~ 1/3 of damping particles group (2) radius, 1 ~ 3 of damper ball-type cabin (1) number, each damper ball-type cabin (1) is evenly arranged by vertical connecting rod (3) and level connection joint rod member (4) along the damper short transverse, the top ball-type bilge is 50mm ~ 500mm apart from ball-type cabin, bottom end face distance.
6. according to claim 1 or claim 3 or the tuning type granule damper of claim 4 or ball-type claimed in claim 5 cabin, it is characterized in that: damping particles group (2) individual layer is evenly arranged in damper ball-type cabin (1), and the damping particles group (2) in each damper ball-type cabin (1) should not occur stacking.
7. the tuning type granule damper in ball-type cabin according to claim 1, it is characterized in that: vertical connecting rod (3) cross section is the shaped steel of circle, rectangle or I shape, be connected level connection joint rod member (4) with material with same cross-sectional by welding or bolt and be connected, the anti-side rigidity of level of vertical connecting rod (3) is 1 * 10
0KN/m ~ 1 * 10
4KN/m.
8. it is characterized in that according to claim 1 or the tuning type granule damper in ball-type claimed in claim 7 cabin: described vertical connecting rod (3) connects by welding, hinged or bolt and is connected with the structure built-in fitting.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013100455021A CN103114658A (en) | 2013-02-05 | 2013-02-05 | Ball-shaped cabin tuning type particle camper |
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|---|---|---|---|
| CN2013100455021A CN103114658A (en) | 2013-02-05 | 2013-02-05 | Ball-shaped cabin tuning type particle camper |
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| CN103114658A true CN103114658A (en) | 2013-05-22 |
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ID=48413086
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|---|---|---|---|
| CN2013100455021A Pending CN103114658A (en) | 2013-02-05 | 2013-02-05 | Ball-shaped cabin tuning type particle camper |
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Cited By (9)
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| CN103603439A (en) * | 2013-11-22 | 2014-02-26 | 同济大学 | Novel impact damper |
| CN104735329A (en) * | 2015-04-13 | 2015-06-24 | 成都科美光电科技有限公司 | Eye protecting type night vision instrument eliminating fluctuation interference |
| CN104730811A (en) * | 2015-04-13 | 2015-06-24 | 成都科美光电科技有限公司 | Waterproof type night vision instrument eliminating fluctuation interference |
| CN105317507A (en) * | 2014-07-01 | 2016-02-10 | 中国科学院过程工程研究所 | Damping type exhaust silencer |
| CN107060455A (en) * | 2017-05-31 | 2017-08-18 | 山东大学 | A kind of multidirectional damping control device of bobbin type |
| CN109372140A (en) * | 2018-11-19 | 2019-02-22 | 北京工业大学 | A kind of horizontal bidirectional dual tuned particle damper |
| CN109826330A (en) * | 2019-01-30 | 2019-05-31 | 北京工业大学 | The adjustable more bending chamber composite particles of the natural frequency of vibration tune vibration absorber |
| CN110847404A (en) * | 2019-11-26 | 2020-02-28 | 西安建筑科技大学 | Replaceable X-shaped mild steel composite energy consumption damper |
| CN111549925A (en) * | 2020-04-16 | 2020-08-18 | 重庆大学 | Composite liquid-particle tuned damping device for vibration reduction of wind power structure |
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Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103603439B (en) * | 2013-11-22 | 2016-01-20 | 同济大学 | A kind of impact damper |
| CN103603439A (en) * | 2013-11-22 | 2014-02-26 | 同济大学 | Novel impact damper |
| CN105317507A (en) * | 2014-07-01 | 2016-02-10 | 中国科学院过程工程研究所 | Damping type exhaust silencer |
| CN104735329A (en) * | 2015-04-13 | 2015-06-24 | 成都科美光电科技有限公司 | Eye protecting type night vision instrument eliminating fluctuation interference |
| CN104730811A (en) * | 2015-04-13 | 2015-06-24 | 成都科美光电科技有限公司 | Waterproof type night vision instrument eliminating fluctuation interference |
| CN104735329B (en) * | 2015-04-13 | 2019-04-02 | 成都科美光电科技有限公司 | A kind of eye-protecting type night vision device for eliminating fluctuation interference |
| CN107060455B (en) * | 2017-05-31 | 2020-04-03 | 山东大学 | Rolling ball type multidirectional vibration reduction control device |
| CN107060455A (en) * | 2017-05-31 | 2017-08-18 | 山东大学 | A kind of multidirectional damping control device of bobbin type |
| CN109372140A (en) * | 2018-11-19 | 2019-02-22 | 北京工业大学 | A kind of horizontal bidirectional dual tuned particle damper |
| CN109826330A (en) * | 2019-01-30 | 2019-05-31 | 北京工业大学 | The adjustable more bending chamber composite particles of the natural frequency of vibration tune vibration absorber |
| CN109826330B (en) * | 2019-01-30 | 2020-06-19 | 北京工业大学 | Multi-bending-cavity composite particle tuning vibration reduction device with adjustable natural vibration frequency |
| CN110847404A (en) * | 2019-11-26 | 2020-02-28 | 西安建筑科技大学 | Replaceable X-shaped mild steel composite energy consumption damper |
| CN110847404B (en) * | 2019-11-26 | 2021-04-27 | 西安建筑科技大学 | Replaceable X-shaped mild steel composite energy consumption damper |
| CN111549925A (en) * | 2020-04-16 | 2020-08-18 | 重庆大学 | Composite liquid-particle tuned damping device for vibration reduction of wind power structure |
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Application publication date: 20130522 |